Supelclean PSA SPE Bulk Packing 100g Sigma-Aldrich

About Supelclean PSA SPE Bulk Packing 100g Sigma-Aldrich

• PSA (Primary Secondary Amine): The material uses ethylenediamine-N-propyl bonding as its active group, providing both ion exchange and normal phase separation characteristics.
• Application: It is commonly used for removing polar pigments, fatty acids, and organic acids, making it effective for cleaning up food and beverage samples (e.g., as part of the QuEChERS method) and for PFAS testing.
• Particle Size: The packing material has a particle size of 50 m and an irregular shape.
• Surface Area & Pore Size: It features a high surface area of 500 m/g and a 70 pore size.
• Packaging: This product is supplied in bulk, typically in a 100 g package.
• Compatibility: The material is endcapped. 

• Matrix: Silica gel
• Capacity: 0.98-1.05 meq/g
• pH Range: Suitable for various pH conditions
• Separation Mode: Ion exchange, normal phase